<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .head {
            height: 50px;
            background-color: yellow;
            line-height: 50px;
            text-align: center;
            font-family: KaiTi;
            font-size: 30px;
        }

        .nav {
            width: 80%;
            background-color: bisque;
            height: 80px;
            margin: auto;
        }

        .nav .logo {
            width: 80px;
            height: 80px;
            background-color: brown;
            display: inline-block;
        }

        .nav .nav-list {
            width: 700px;
            height: 80px;
            display: inline-block;
            color: blue;
            text-align: center;
        }

        .content {
            width: 80%;
            height: 800px;
            background-color: yellow;
            margin: auto;
            text-align: center;
            font-size: 30px;
        }

        .ad .left {
            width: 10%;
            height: 200px;
            background-color: aqua;
            position: fixed;
            top: 60%;
            left: 0;
        }

        .ad .right {
            width: 10%;
            height: 200px;
            background-color: aqua;
            position: fixed;
            top: 60%;
            right: 0;
        }

        .CopyRight {
            height: 80px;
            text-align: center;
            line-height: 80px;
            background-color: pink;
        }
    </style>
</head>

<body>
    <div class="main">
        <div class="head">页面头部信息</div>
        <div class="nav">
            <div class="logo">LOGO</div>
            <div class="nav-list">页面导航</div>
        </div>
        <div class="content">页面主要内容</div>
        <div class="ad">
            <div class="left">广告投放</div>
            <div class="right">广告投放</div>
        </div>
        <div class="CopyRight">页面的版权信息</div>
    </div>
</body>

</html>